Home / 231,001,508.88-318,662,845.61-156,636,904.14

Finding the Fourth Proportional to 231,001,508.88, 318,662,845.61 and 156,636,904.14

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Solution

The fourth proportional to 231,001,508.88, 318,662,845.61 and 156,636,904.14 is: 216,078,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,001,508.88 : 318,662,845.61 = 156,636,904.14 : x
  2. Step 2: Convert to fraction form
    231,001,508.88/318,662,845.61 = 156,636,904.14/x
  3. Step 3: Cross multiply
    231,001,508.88x = 318,662,845.61 × 156,636,904.14
  4. Step 4: Simplify right side
    231,001,508.88x = 49,914,361,600,010,000
  5. Step 5: Solve for x
    x = 49,914,361,600,010,000/231,001,508.88
  6. Step 6: Final answer
    x = 216,078,076.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.